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2.
Hematology, Oncology and Stem Cell Therapy. 2009; 2 (3): 411-417
em Inglês | IMEMR | ID: emr-102595

RESUMO

Ewing sarcoma [ES] is the second most frequent primary malignant bone cancer, following osteosarcoma. ES is a small round-cell tumor typically arising in the bones, rarely in soft tissues, of children and adolescents. We describe four children aged 3, 3.5, 9, and 9.5 years, who presented with two femur masses simultaneously [patient 1], a huge mediastinal mass [patient 2], an abdomino-mediastinal mass with dysphagia [patient 3], and a huge abdomino-pelvic mass [patient 4]. Our patients were of younger age and had abnormal presentations that made initial diagnosis difficult, but also are representative of the different problems encountered in pediatric practice. Biopsy initially revealed round cell tumor and by immunohistochemistry, CD99 was positive, which confirmed the diagnosis of ES. Our patients were difficult to diagnosis. The patients were misdiagnosed initially, so there was a delay in diagnosis. Definitive diagnosis required use of various radiological imaging methods and immunohistochemistry


Assuntos
Humanos , Masculino , Feminino , Neoplasias Ósseas , Imuno-Histoquímica , Pediatria , Sarcoma de Ewing/diagnóstico por imagem
3.
Hematology, Oncology and Stem Cell Therapy. 2009; 2 (3): 422-425
em Inglês | IMEMR | ID: emr-102597

RESUMO

Infantile hemangioendothelioma is a rare benign vascular tumor of the liver. We report a case of hepatic hemangioendothelioma in an 8- month-old female infant who presented with hepatomegaly and respiratory distress, which was successfully treated with oral prednisolone for six months


Assuntos
Humanos , Feminino , Hemangioendotelioma/diagnóstico , Neoplasias Hepáticas , Corticosteroides , Lactente , Tomografia Computadorizada por Raios X , Prednisolona
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